Cooler



FIG. 1 is a top perspective view of an embodiment of a cooler;

FIG. 2 is a front side view of the cooler of FIG. 1;

FIG. 3 is a back side view of the cooler of FIG. 1;

FIG. 4 is a left side view of the cooler of FIG. 1;

FIG. 5 is a right side view of the cooler of FIG. 1;

FIG. 6 is a top side view of the cooler of FIG. 1; and,

FIG. 7 is a bottom side view of the cooler of FIG. 1.

The broken lines in the drawings illustrate portions in the article that form no part of the claim. 

CLAIM The ornamental design for a cooler, as shown and described. 